8
TROUBLESHOOTING
Problem
Cause
Solution
Future remedy
Unstable function
Damaged handpiece
cord
If any visible damages
on plug or cord -> send
it in for repair.
Read instructions for cor-
rect connection / removal
of plug. Avoid squeez-
ing damages and sharp
bending of the cord.
Damaged foot switch
cable
If any visible damages
on plug or cable -> send
it in for repair.
Avoid passing over the
cable with your chair.
Avoid squeezing dam-
ages and sharp bending
of the cable.
Loose connection in
wires, plugs, terminals or
foot switch.
Visual inspection not
possible. Check the
function by using
another CALAJECT
foot switch. Send in for
repair.
Read instructions for
correct connection /
removal of plug. Avoid
squeezing damages
and sharp bending of
cables.
Premature illumination
of pressure indicator.
Blocked needle
Change the needle
Automatic stop
happens often.
Piston moves slowly – too
much friction between the
moving parts inside the
handpiece.
Send in for repair.
Piston does not retract Piston O-ring has become
dry.
Lubricate the O-ring
with PTFE grease ac-
cording to “Maintenance
by User”.
Lu
bricate regulary as
advised in “Maintenance
by User”.
Leakage
The needle was screwed
onto the barrel after inser-
tion of the cartridge. That
can cause an uneven per-
foration of the membrane,
which leaves a hole in the
membrane that is too big.
Mount the needle first
to the empty cartridge
barrel. Hereafter insert
the cartridge and push it
forward. This ensures a
straight and clean cut of
the cartridge membrane.
The rear part of the needle
cannula is relatively long.
(rear cannula length varies
among needle brands)
In such case, the op-
posite sequence is
recommended: Insert
cartridge first after which
you mount the needle.
The membrane of the
applied cartridge is
relatively small – a risk that
the needle will penetrate at
the edge of the membrane
and loosen the membrane
at the metal cap.
Change cartridge brand.
The diameter of the
membrane must be
bigger.
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